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Published April 28, 2013, 12:00 AM

Testing


Lake Assault Boats employees test a water canon in the Duluth-Superior harbor on a boat the company built for the Bettendorf, Iowa, fire department. The mist off of the water stream creates an intense rainbow. (Photo courtesy of Lake Assault Boats)
Read the article: Superior’s Lake Assault Boats finds niche in fire, rescue crafts